Q: Is 42,864 a Prime Number?
A: No, 42,864 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 42864 can be evenly divided by 1 2 3 4 6 8 12 16 19 24 38 47 48 57 76 94 114 141 152 188 228 282 304 376 456 564 752 893 912 1,128 1,786 2,256 2,679 3,572 5,358 7,144 10,716 14,288 21,432 and 42,864, with no remainder.
Since 42,864 cannot be divided by just 1 and 42,864, it is not a prime number.